Finding the Fourth Proportional to 684,280.99, 944,269.65 and 378,338.99
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Solution
The fourth proportional to 684,280.99, 944,269.65 and 378,338.99 is: 522,086.73
Step by Step Solution
- Step 1: Write the proportion equation
684,280.99 : 944,269.65 = 378,338.99 : x - Step 2: Convert to fraction form
684,280.99/944,269.65 = 378,338.99/x - Step 3: Cross multiply
684,280.99x = 944,269.65 × 378,338.99 - Step 4: Simplify right side
684,280.99x = 357,254,025,668.65 - Step 5: Solve for x
x = 357,254,025,668.65/684,280.99 - Step 6: Final answer
x = 522,086.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.